Zamia floridana (A CYCAD) 



A. Classification: 



Division VI. Cycadophyta (The Cycads). 

 Class II. Cycadineae (Modern Cycads) . 

 Order. Cycadales. 

 Family. Cycadaceae. 1 

 Genus. Zamia. 

 Species. Floridana DC. 



B. Habitat: 



i. Most of the Cycadales occur only within the tropics, 

 but two genera, Zamia and Cycas, are also sub- 

 tropical. Zamia pccurs in the United States only 

 in Florida, where it is rather common, and in Porto 

 Rico. It is frequently cultivated in greenhouses. 



VEGETATIVE ORGANS 



C. The Stem: 



i. Briefly describe the stem, noting its general appear- 

 ance, size, relation between its diameter and height, 

 variations' in diameter, character of the surface, its 

 relation to the surface of the soil. Note the pres- 

 ence or absence of branches. 



D. The Leaves: 



i. Describe their arrangement on the stem, the nature 

 of the blade (entire, divided, etc.), the color, and 



x By some botanists the genera Zamia, Macrozamia, and Dioon, having 

 both staminate and carpellate cones, are assigned to a separate family 

 (Zamiaceae), distinguished from the Cycadaceae (in the narrower sense), 

 which bear only the microsphorophylls in cones. 



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